"This game is exclusive single-player, but we've built in lots of replay value," he said. "Most notably is that the player makes a choice early on the outcome of which opens up an alternate timeline which changes the vibe of the story.

"It's recommended to do a second playthrough and see what would have happened if you chose differently.

"I don't want to give any spoilers, but it changes the vibe of the story to a degree and alters the gameplay somewhat. We think of it as an alternate ending, but instead of it just affecting the final cinematic, it affects the tone of the whole game a little bit."